Born: October 10, 1860, London Borough of Tower Hamlets, United Kingdom
Died: December 30, 1935 (age 75 years), Mayfair, London, United Kingdom
Spouse: Stella Isaacs, Marchioness of Reading (m. 1931–1935) and Alice Isaacs, Marchioness of Reading (m. 1887)
Great-grandparents: Sara Levy, Aaron Enrique Mendoza, Samuel Isaacs, and more
Great grandchildren: Simon Isaacs, 4th Marquess of Reading, Lord Alexander Isaacs, Lord Antony Isaacs, and more
Grandchildren: Michael Isaacs, 3rd Marquess of Reading, Joan Zuckerman, and Lady Elizabeth Ann Mary Isaacs
Children: Gerald Isaacs, 2nd Marquess of Reading